package lab01;
import java.util.Scanner;
public class test06 {
    public static void main(String[] args) {
        System.out.println("请输入成绩：");
        Scanner sc = new Scanner(System.in);
        int h = sc.nextInt();
        if (h >= 1 && h <= 5) {
            switch (h) {
                case 1: {
                    System.out.println("不及格");
                    break;
                }
                case 2: {
                    System.out.println("及格");
                    break;
                }
                case 3: {
                    System.out.println("中等");
                    break;
                }
                case 4: {
                    System.out.println("良好");
                    break;
                }
                case 5: {
                    System.out.println("优秀");
                    break;
                }

            }

        } else {
            System.out.println("请输入有效成绩");
        }
    }
}